soenp soenp
  • 28-03-2018
  • Mathematics
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What is (x-8)(x+4)+(x-3)(x+9)?

A. x^2-2x-59
B. x^2+2x-59
C. 2x^2-2x-59
D. 2x^2+2x-59

Respuesta :

Аноним Аноним
  • 28-03-2018
(x-8)(x+4)+(x-3)(x+9)
(x^2 + 4x -8x - 32) + (x^2 + 9x - 3x - 27)
x^2 - 4x - 32 + x^2 + 6x - 27 
x^2 + 2x - 59

Answer: D

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